<template>
<div class="icons">
  <swiper :options="swiperOption">
    <swiper-slide v-for="(page, index) in pages" :key="index">
      <div class="icon" v-for="item in page" :key="item.id">
         <div class="icon-img">
           <img class="icon-img-content" :src='item.imgUrl'>
         </div>
         <p class="icon-desc">{{item.desc}}</p>
      </div>
    </swiper-slide>
  </swiper>
</div>
</template>
<script>
export default {
  name: 'HomeIcons',
  props: {
    list: Array
  },
  data () {
    return {
      swiperOption: {
        autoplay: false
      }
    }
  },
  computed: {
    pages () {
      const pages = []
      this.list.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}
</script>
<style lang="stylus" scoped>
    @import '~styles/varibles.styl';
    @import '~styles/mixins.styl';
    .icons >>> .swiper-container
     height :0
     padding-bottom 50%
    .icons
     margin-top: .1rem
     touch-action: none //解决 Ignored attempt to cancel a touchmove event with cancelable=false, for example because scrolling is in progress and cannot be interrupted错误提示
     .icon
       position : relative
       overflow : hidden
       float:left
       width :25%
       height :0
       padding-bottom :25%
       .icon-img
        position:absolute
        top : 0
        left:0
        right :0
        bottom 0.44rem
        box-sizing:border-box
        padding:.1rem
        .icon-img-content
         display:block
         margin: 0 auto
         height:100%
      .icon-desc
        position:absolute
        left :0
        right :0
        bottom :0
        height :0.44rem
        line-height :0.44rem
        text-align:center
        color:$darkTextColor
        ellipsis()
</style>
